Brachial plexus & forearm innervation
Brachial Plexus & Forearm Innervation Quiz
Test your knowledge on the intricate details of the brachial plexus and forearm innervation with this comprehensive quiz! Designed for students, educators, and professionals in the medical field, this quiz will help reinforce your understanding of nerve anatomy, muscle innervation, and related syndromes.
- Engaging questions with multiple choice answers
- Covers key concepts in anatomy and neurology
- Challenging yet informative for all skill levels
The anterior interosseous nerve innervates 3 muscles, which one of these is not innervated by AIN?
Pronator teres
Flexor pollicis longus
Pronator quadratus
Flexor digitorum profundus
What roots go into the median nerve?
C5, C6, C7, C8, T1
C6, C7, C8, T1
C7, C8, T1
C8, T1
What roots go into the radial nerve?
C7-T1
C5-T1
C5, C6, C8, T1
C5, C6, C7
What roots go into the ulnar nerve?
C7, C8, T1
C8
C8, T1
T1
What nerve root compressions mimic carpal tunnel syndrome?
C7-C8
C8-T1
C5
C6-C7
Martin Gruber Anastomosis type I has the nerve conduction study pattern (when recording ADM) of:
Conduction block at above elbow
Reduced amplitude at all sites
Conduction block at below elbow (wrist amplitude > elbow amplitude)
Increased distal latency
Posterior cord innervates which terminal nerves?
Axillary, Radial
Axillary
Radial
Axillary, Radial, Median
Sensory deficit and clawing of 4/5 digits & tinel's sign at the elbow represents what compressive neuropathy?
Carpal tunnel syndrome
Cubital tunnel syndrome
Spiral groove nerve palsy
MGA III
What nerves supply sensation of the hand?
Median & Ulnar
Median
Median, Ulnar, Radial
Median, ulnar, radial, musculocutaneous
What are the dermatomes of the hand?
C7, C8, T1
C6, C7, C8, T1
C6, C7, C8
C6, C7
Aching on medial arm, low levels of tingling, and severe thumb weakness indicates what?
Carpal tunnel syndrome
True thoracic outlet syndrome
C8/T1 Radiculopathy
Tardy ulnar palsy
Abnormal EMG studies of Anconeus, brachioradialis, extensor carpi radialis longus are exclusive to what nerve?
Posterior interosseous nerve
Radial nerve
Ulnar nerve
Median nerve
Which flexor forearm muscle receives dual innervation?
Flexor carpi ulnaris
Flexor digitorum profundus
Flexor digitorum superficialis
Pronator teres
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